CVE-2022-21971

Published: Feb 9, 2022Modified: Jun 17, 2026CISA KEV

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

Windows Runtime Remote Code Execution Vulnerability

Affected (9)

Products: Microsoft: Windows 10 1809, Windows 10 1909, Windows 10 20h2, Windows 10 21h1, Windows 10 21h2, Windows 11 21h2, Windows Server 2019, Windows Server 2022, Windows Server 20h2

9 products

Windows 10 1809

Windows 10 1909

Windows 10 20h2

Windows 10 21h1

Windows 10 21h2

Windows 11 21h2

Windows Server 2019

Windows Server 2022

Windows Server 20h2

Configuration A

9 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1809	Before 10.0.17763.2565
Microsoft Windows 10 1909	Before 10.0.18363.2094
Microsoft Windows 10 20h2	Before 10.0.19042.1526
Microsoft Windows 10 21h1	Before 10.0.19043.1526
Microsoft Windows 10 21h2	Before 10.0.19044.1526
Microsoft Windows 11 21h2	Before 10.0.22000.493
Microsoft Windows Server 2019	Before 10.0.17763.2565
Microsoft Windows Server 2022	Before 10.0.20348.524
Microsoft Windows Server 20h2	Before 10.0.19042.1526

Related CWEs

Access of Uninitialized Pointer

The product accesses or uses a pointer that has not been initialized.

References (3)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971

Source: secure@microsoft.com

PatchVendor Advisory

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21971

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

Timeline

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